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Promephitis lartetii Gaudry, 1861 (Carnivora: Mephitidae) from the Late Miocene of Tuva (Taralyk-Cher Locality) 来自图瓦晚中新世(Taralyk-Cher 地点)的 Promephitis lartetii Gaudry, 1861 (Carnivora: Mephitidae)
IF 0.6 4区 地球科学 Q3 Earth and Planetary Sciences Pub Date : 2024-04-16 DOI: 10.1134/s0031030123600221
I. F. Araslanov, A. V. Lavrov

Abstract

This paper describes fossil remains of Promephitis lartetii (Mephitidae) from the Upper Miocene (MN 12–13) of Tuva, the Taralyk-Cher locality, which are represented by two nearly complete deformed skulls, mandibular rami, and maxilla, mandible fragments, and isolated teeth. The variability of taxonomically significant characters in the morphology of P4–M1 and the skull of P. lartetii has been studied. The stability of the taxonomic characters of the genus Promephitis has been analyzed.

本文描述了来自图瓦(Taralyk-Cher)地区上新世(MN 12-13)的Promephitis lartetii(Mephitidae)化石遗骸,其中包括两个几乎完整的畸形头骨、下颌骨横突和上颌骨、下颌骨碎片以及孤立的牙齿。研究了 P4-M1 和 P. lartetii 头骨形态中具有分类学意义的特征的变异性。分析了虹彩蝶属分类特征的稳定性。
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引用次数: 0
Revision of Permian Ray-Finned Fishes from the Leninsk and Tailugan Formations of the Kuznetsk Basin 修订库兹涅茨克盆地列宁斯克地层和泰卢根地层中的二叠纪鳐形鳍鱼类
IF 0.6 4区 地球科学 Q3 Earth and Planetary Sciences Pub Date : 2024-04-16 DOI: 10.1134/s0031030123060011
A. S. Bakaev

Abstract

Permian ray-finned fishes from freshwater deposits of the Leninsk (Tatarian Series, Severodvinian Stage) and the Tailugan Formations (Tatarian Series, Vyatkian Stage) of Kuznetsk Basin are revised. The taxa considered in the work were not previously formally published and remained nomina nuda. Two new genera (Gregarialepis and Planalepis) and two new species (G. binaria and P. diserta) are described. Scales of Heterolepis undata (reidentified cf. Eurynotoides sp.), Mitinolepis surickovensis (reidentified Strelnia sp.), are too poorly preserved, the available features are not sufficient to distinguish new taxa, and they can only be identified to genus-level.

摘要 对库兹涅茨克盆地列宁斯克地层(塔塔里亚系,塞维鲁德维尼期)和泰卢根地层(塔塔里亚系,维亚特克期)淡水沉积中的二叠纪鳐形鳍鱼类进行了修订。工作中考虑的分类群以前未正式发表过,仍然是nominina nuda。描述了两个新属(Gregarialepis 和 Planalepis)和两个新种(G. binaria 和 P. diserta)。由于 Heterolepis undata(重新鉴定为 Eurynotoides sp.)、Mitinolepis surickovensis(重新鉴定为 Strelnia sp.)的鳞片保存太差,现有特征不足以区分新类群,只能鉴定为属级。
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引用次数: 0
Adductor Scar on the Shell of the Early Cambrian Sinskolutella ordinata (Melnikova, 1983) (Bradoriida, Crustacea) 早寒武世 Sinskolutella ordinata(Melnikova,1983 年)壳上的内收痕(Bradoriida,甲壳纲)
IF 0.6 4区 地球科学 Q3 Earth and Planetary Sciences Pub Date : 2024-04-16 DOI: 10.1134/s0031030124010039
L. M. Melnikova

Abstract

A large round spot in the anterior half of the shell, identified as the adductor muscle scar, was found in the bradoriid Sinskolutella ordinata (Melnikova, 1983) from the unique Sinsk locality (Lower Cambrian of the Siberian Platform). The pores on the valves of this species are characterized. Similarities in the outline, shell size, and the presence of a large muscle scar suggest that Sinskolutella is related to ostracods of the order Leperditicopida known beginning from the Ordovician and widely diversified during the Silurian and Devonian.

摘要 在独特的 Sinsk 地点(西伯利亚地台下寒武统)发现的腕足动物 Sinskolutella ordinata(Melnikova,1983 年)的贝壳前半部分有一个大的圆形斑点,被确定为内收肌疤痕。该物种瓣膜上的气孔具有特征性。在轮廓、壳的大小和大肌肉疤痕的存在方面的相似性表明,Sinskolutella 与奥陶纪开始已知并在志留纪和泥盆纪期间广泛多样化的 Leperditicopida 纲的梭口动物有关。
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引用次数: 0
Permosialidae (Insecta: Palaeomanteida): Composition, Systematics and Relationships Permosialidae (Insecta: Palaeomanteida):组成、系统学和关系
IF 0.6 4区 地球科学 Q3 Earth and Planetary Sciences Pub Date : 2024-04-16 DOI: 10.1134/s0031030124010052
D. S. Aristov, A. P. Rasnitsyn

Abstract

The composition of the order Miomoptera is considered at the family level, and the system of the family Permosialidae is revised. Keys are provided to families of the order and to genera and species of the family Permosialidae, with synonymies and unified diagnoses of the genera and species of Permosialidae. The composition of the family is shown to remain uniform through its entire time interval, with the type genus always prevalent, and the only one recorded at its start (late Kungurian) and finish (Triassic). The geographical distribution of Permosialidae is noteworthy: widespread over Angarida and confined to that region except for a unique record from Australia.

摘要 在科一级考虑了中翅目的组成,并对 Permosialidae 科的系统进行了修订。提供了该目各科以及蓑蛾科各属和种的钥匙,以及蓑蛾科各属和种的异名和统一诊断。结果表明,该科的组成在其整个时间间隔内保持一致,模式属始终普遍存在,并且是唯一一个在其开始(晚昆古世)和结束(三叠纪)时都有记录的属。Permosialidae 的地理分布值得注意:广泛分布于 Angarida 地区,除了来自澳大利亚的一个独特记录外,仅限于该地区。
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引用次数: 0
New Taxa of Spiriferids (Brachiopoda) from the Lower Devonian Beds of Northeastern Asia 来自东北亚下泥盆世床层的螺旋藻(腕足动物)新类群
IF 0.6 4区 地球科学 Q3 Earth and Planetary Sciences Pub Date : 2024-04-16 DOI: 10.1134/s0031030124010015
V. V. Baranov, A. I. Nikolaev

Abstract

New taxa of the spiriferid subfamily Howellellinae are described from the Lower Devonian beds of Northeastern Asia (Tas-Khayakhtakh, Ulakhan-Sis, Sette-Daban, and Selennyakh ridges): Afanasjevispirifer gen. nov. with the type species A. mercuriformis Kulkov, 1963; Aldanispirifer selennyakhensis sp. nov. and Talyndzhaspirifer gen. nov. with the type species T. latus sp. nov.

摘要 描述了来自亚洲东北部(Tas-Khayakhtakh、Ulakhan-Sis、Sette-Daban 和 Selennyakh 山脊)下泥盆统地层的螺旋亚科 Howellellinae 的新类群:Afanasjevispirifergen.nov.,模式种为 A. mercuriformis Kulkov, 1963;Aldanispirifer selennyakhensis sp.
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引用次数: 0
Palmatolepis abramovae sp. nov.—A New Conodont Species from the Makarovo Regional Substage (Lower Famennian, Upper Devonian) of the Western Slope of the South Urals Palmatolepis abramovae sp.
IF 0.6 4区 地球科学 Q3 Earth and Planetary Sciences Pub Date : 2024-04-16 DOI: 10.1134/s0031030123600324
R. Ch. Tagarieva

Abstract

A new species of the conodont genus PalmatolepisPa. abramovae sp. nov. is described from the Makarovo Regional Substage of the Famennian Stage based on materials from four sections of the western slope of the South Urals (Bolshaya Barma, Akkyr, Ryauzyak, and Kuk-Karauk). The paper presents ontogenetic series of the described species and suggests its possible phylogenetic relationships. Pa. abramovae sp. nov. is a characteristic species of the Upper triangularis Zone.

Abramovae sp.nov.描述了来自法门期Makarovo地区亚期的一个新物种,该物种基于南乌拉尔西坡四个地段(Bolshaya Barma、Akkyr、Ryauzyak和Kuk-Karauk)的材料。论文介绍了所描述物种的本体系列,并提出了其可能的系统发育关系。Pa. abramovae sp.
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引用次数: 0
Taphonomy of Juvenile Valves of Organophosphate Brachiopods in Mudstones of the Shumnine Formation (Botomian and Toyonian Stages, Lower Cambrian), North-Western Siberian Platform (Borehole XC-1) 西伯利亚西北地台舒姆宁地层泥岩(下寒武统 Botomian 和 Toyonian 阶段)中有机磷腕足类幼年瓣膜的岩石学研究(XC-1 号钻孔)
IF 0.6 4区 地球科学 Q3 Earth and Planetary Sciences Pub Date : 2024-04-16 DOI: 10.1134/s0031030124010088
G. T. Ushatinskaya

Abstract

Brachiopod shell imprints from the core samples from Borehole XC-1 (1012–1013 m), Shumnaya Formation, Botomian–Toyonian stages, Lower Cambrian, Siberian Platform were examined. The samples are represented by thin laminated bituminous mudstone. Imprints of phosphate brachiopod (lingulids and acrotretids) valves and casts of valves occur on the bedding surfaces of the samples. One sample contains a cluster of small fossils (60–220 µm) probably belonging to embryos or brephic valves of these brachiopods. Chemical analysis has revealed that the originally organic material of the valves was replaced by pyrite, most likely postmortem. At the same time, the fragments of the valves of adult lingulate brachiopods are composed of calcium phosphate.

摘要 对来自西伯利亚地台下寒武统-下元古界-下元古界Botomian-Toyonian期Shumnaya地层XC-1钻孔(1012-1013米)岩心样品中的腕足类贝壳印记进行了研究。样品为薄层沥青质泥岩。样本的基底面上有磷酸盐腕足类(菱形目和棘皮目)瓣膜的印迹和瓣膜的铸模。其中一个样本含有一簇小化石(60-220 微米),可能属于这些腕足动物的胚胎或轫瓣。化学分析显示,这些瓣膜原本的有机物质被黄铁矿取代,很可能是死后产生的。同时,成年舌腕足动物的瓣膜碎片由磷酸钙组成。
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引用次数: 0
Chapter 5. The Phosphorites of Khuvsgul as a Model Object 第 5 章作为示范对象的库夫斯古尔磷酸盐岩
IF 0.6 4区 地球科学 Q3 Earth and Planetary Sciences Pub Date : 2024-03-21 DOI: 10.1134/s0031030124600057
E. A. Zhegallo

Abstract

The Khuvsgul phosphorites became the first model object of bacterial paleontology. During their study, techniques were developed for preparing samples for viewing on a scanning electron microscope and for screening the samples for the presence of identified fossil bacteria. Due to the wide variety of fossils found, different forms of bacteria preservation were identified, and the conditions of their formation were explored.

摘要 Khuvsgul 磷酸盐岩成为细菌古生物学的第一个示范对象。在对其进行研究期间,开发出了制备样本以便在扫描电子显微镜下观察的技术,以及筛选样本中是否存在已确认的细菌化石的技术。由于发现的化石种类繁多,人们确定了不同的细菌保存形式,并探索了它们的形成条件。
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引用次数: 0
Chapter 10. Bacterial Paleontology Lessons 第 10 章 细菌古生物学细菌古生物学课程
IF 0.6 4区 地球科学 Q3 Earth and Planetary Sciences Pub Date : 2024-03-21 DOI: 10.1134/s0031030124600100
A. Yu. Rozanov

Abstract

The development of bacterial paleontology has shaken some generally accepted scientific paradigms in research on the Archean–Proterozoic evolution of the Earth. Thus, bacterial and paleontological studies occasionally led to a revision of paleogeographical constructions. This paper discusses the main achievements of this rather young scientific discipline, including the finds of ancient prokaryotic and eukaryotic microorganisms and their connection with the early Earth’s environments, as well as the finds of fossilized microorganisms in carbonaceous chondrites (meteorites), which change our attitude toward the problems of panspermia and the origin of life.

摘 要 细菌古生物学的发展动摇了一些公认的地球阿新世-新生代演化研究的科学范式。因此,细菌学和古生物学研究偶尔会导致对古地理构造的修正。本文讨论了这门相当年轻的科学学科所取得的主要成就,包括发现古原核和真核微生物及其与地球早期环境的联系,以及在碳质软玉(陨石)中发现微生物化石,这些都改变了我们对泛原生生物和生命起源问题的态度。
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引用次数: 0
A New Extinct Genus of Long-Legged Flies, with a Brief Review and Key to Extinct Genera of Baltic Amber Dolichopodidae (Diptera) 已灭绝的长脚蝇新属,附波罗的海琥珀 Dolichopodidae(双翅目)已灭绝属的简要回顾和检索表
IF 0.6 4区 地球科学 Q3 Earth and Planetary Sciences Pub Date : 2024-03-21 DOI: 10.1134/s0031030123600051
I. Ya. Grichanov

Abstract

A new genus Plesiomedetera gen. nov., is described from Late Eocene Baltic amber. The genus is placed in the extant subfamily Medeterinae and includes five recognized and two doubtful species, all poorly described by Meunier in 1907–1908 and never reported again. Plesiomedetera flammea (Meunier, 1907), comb. nov. and P. mustela (Meunier, 1907), comb. nov. are described and illustrated, and a key to recognized species of this genus is compiled. The other eight extinct genera from Baltic amber are briefly reviewed, belonging to extant subfamilies ?Diaphorinae, Dolichopodinae, Medeterinae, Peloropeodinae and Sciapodinae, and a key to these genera is compiled. The following new combinations (comb. nov.) are proposed: Plesiomedetera decora (Meunier, 1907), P. elegantula (Meunier, 1907), P. vana (Meunier, 1907), P. lasciva (Meunier, 1907), P. lepida (Meunier, 1907), Medeterites atterraneus (Nazarov, 1994), M. gestuosus (Meunier, 1907), M. gulosus (Meunier, 1907), M. latipennis (Meunier, 1907), Palaeoargyra planipedia (Meunier, 1907), Palaeomedeterus praeconcinnus (Evenhuis, 1994), P. concinnus (Meunier, 1907), P. tertiarius (Meunier, 1907), Prohercostomus ciliatus (Meunier, 1907), P. devinctus (Meunier, 1907), P. gracilis (Meunier, 1907), P. minutus (Meunier, 1907), P. morbosus (Meunier, 1907), P. smicrus (Meuffels et Grootaert, 1999) and P. inumbratus (Meunier, 1907). Sciara pusilla Meunier, 1899 is considered nomen nudum, rather than unplaced species of Dolichopodidae. Dolichopus smicrus Meuffels et Grootaert, 1999 (unnecessary new name) is placed in synonymy with Prohercostomus minutus. In all, 53 recognized, 5 doubtful and 10 unplaced species from Baltic amber are listed.

摘要 从晚始新世波罗的海琥珀中描述了一个新属 Plesiomedetera gen.该属被归入现存的 Medeterinae 亚科,包括 5 个已知种和 2 个疑似种,这些种都是由 Meunier 在 1907-1908 年描述的,而且从未再被报道过。Plesiomedetera flammea(Meunier,1907 年),comb. nov.和 P. mustela(Meunier,1907 年),comb. nov.进行了描述和图解,并编制了该属公认种的检索表。简要回顾了波罗的海琥珀中其他 8 个已灭绝的属,分别属于现存的 Diaphorinae、Dolichopodinae、Medeterinae、Peloropeodinae 和 Sciapodinae 亚科,并编制了这些属的检索表。提出了以下新组合(comb:Plesiomedetera decora(Meunier,1907 年),P. elegantula(Meunier,1907 年),P. vana(Meunier,1907 年),P. lasciva(Meunier,1907 年),P. lepida(Meunier,1907 年),Medeterites atterraneus(Nazarov,1994 年),M.gulosus (Meunier, 1907), M. latipennis (Meunier, 1907), Palaeoargyra planipedia (Meunier, 1907), Palaeomedeterus praeconcinnus (Evenhuis, 1994), P. concinnus (Meunier, 1907), Palaeoargyra planipedia (Meunier, 1907), Palaeomedeterus praeconcinnus (Evenhuis, 1994).concinnus(Meunier,1907),P. tertiarius(Meunier,1907),Prohercostomus ciliatus(Meunier,1907),P. devinctus(Meunier,1907),P.minutus (Meunier, 1907), P. morbosus (Meunier, 1907), P. smicrus (Meuffels et Grootaert, 1999) and P. inumbratus (Meunier, 1907).Sciara pusilla Meunier, 1899 被认为是无名种,而不是 Dolichopodidae 的未定位种。Dolichopus smicrus Meuffels et Grootaert, 1999(不必要的新名)与 Prohercostomus minutus 同属。总共列出了波罗的海琥珀中 53 个公认的物种、5 个可疑的物种和 10 个未定位的物种。
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引用次数: 0
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Paleontological Journal
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